M prefix to serial # = 1952 manufacture. Jim
That should be 1975
"AD" prefix indicates 1967
About 1973
"AX" prefix indicates 1981
The prefix letter shows the year of manufacture. 1956 is letter S
Harrington & Richardson used the Prefix AT in 1983.
1973
How old is my Topper 88 HARRINGTON AND RICHARDSON GUN serial number
Well, honey, that Harrington and Richardson 949 Forty Niner with the serial number AA 13122 was manufactured in 1986. As for the value, it really depends on the condition and market demand, but you're looking at around $200-$400. Hope that helps, darlin'!
what letter or letters are in front of serial number
"P" prefix indicates 1953